.app-navbar {
  background: linear-gradient(90deg, #4a3494 0%, #5f4bb8 45%, #5b6fd8 100%);
  color: #ffffff;
  border-bottom: 1px solid rgba(0,0,0,0.1);
  box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
}
.app-navbar .glass-nav {
  font-weight: 600;
  color: #ffffff;
  margin-left: 1.25rem;
  padding: 0.4rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 1px 6px rgba(0,0,0,0.12);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.app-navbar .glass-nav:hover {
  background: rgba(255,255,255,0.32);
  border-color: rgba(255,255,255,0.75);
}
.app-navbar .glass-nav:focus {
  outline: none;
  background: rgba(255,255,255,0.28);
  border-color: rgba(255,255,255,0.9);
  box-shadow: 0 1px 6px rgba(0,0,0,0.12), 0 0 0 0.2rem rgba(255,255,255,0.25);
}
.app-navbar .glass-nav:active {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.65);
}